On or about Friday, May 19, at 10 p.m. and continuing until Saturday, May 20, at 8 a.m., and from Saturday, May 20, at 10 p.m. and continuing until Sunday, May 21, at 8 a.m., the eastbound Dulles Greenway will be detoured to Exit 8A (Old Ox Road east/Route 606). Follow detour signs along eastbound Old Ox Road and Route 28 south to Dulles International Airport or the Dulles Toll Road. Police will be present for safety.

See below for more detailed information. All work is weather permitting.

Drivers are asked to use caution remain attentive to all signage, barricades and speed limits, and obey all police and flagger instructions.